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1 个月
世界首条350公里时速单洞双线高铁海底隧道贯通
3月26日,由中铁十四局承建的世界首条设计时速350公里单洞双线高铁海底隧道——汕(汕头)汕(汕尾)高铁汕头湾海底隧道成功贯通。该隧道全长9781米,最深处距离海面98.5米。 未来,汕汕高铁全线建成通车后,将与广汕高铁、漳汕高铁、福厦漳高铁、温福高 ...
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